<!DOCTYPE html>
<html xmlns:th="http://www.thymeleaf.org">
<head>
<meta content="text/html;charset=UTF-8" />
<title>登录页面</title>
</head>
<body>

<form action="doin" method="post">
  <p>用户名: <input type="text" name="account" /></p>
  <p>密码: <input type="password" name="password" /></p>
  <input type="submit" value="登录" />
</form>
</body>
</html>